(function () {
  var onlineImage,
    backupStyle = editor.queryCommandValue("background");

  window.onload = function () {
    initTabs();
    initColorSelector();
  };

  /* 初始化tab标签 */
  function initTabs() {
    var tabs = $G("tabHeads").children;
    for (var i = 0; i < tabs.length; i++) {
      domUtils.on(tabs[i], "click", function (e) {
        var target = e.target || e.srcElement;
        for (var j = 0; j < tabs.length; j++) {
          if (tabs[j] == target) {
            tabs[j].className = "focus";
            var contentId = tabs[j].getAttribute("data-content-id");
            $G(contentId).style.display = "block";
            if (contentId == "imgManager") {
              initImagePanel();
            }
          } else {
            tabs[j].className = "";
            $G(tabs[j].getAttribute("data-content-id")).style.display = "none";
          }
        }
      });
    }
  }

  /* 初始化颜色设置 */
  function initColorSelector() {
    var obj = editor.queryCommandValue("background");
    if (obj) {
      var color = obj["background-color"],
        repeat = obj["background-repeat"] || "repeat",
        image = obj["background-image"] || "",
        position = obj["background-position"] || "center center",
        pos = position.split(" "),
        x = parseInt(pos[0]) || 0,
        y = parseInt(pos[1]) || 0;

      if (repeat == "no-repeat" && (x || y)) repeat = "self";

      image = image.match(/url[\s]*\(([^\)]*)\)/);
      image = image ? image[1] : "";
      updateFormState("colored", color, image, repeat, x, y);
    } else {
      updateFormState();
    }

    var updateHandler = function () {
      updateFormState();
      updateBackground();
    };
    domUtils.on($G("nocolorRadio"), "click", updateBackground);
    domUtils.on($G("coloredRadio"), "click", updateHandler);
    domUtils.on($G("url"), "keyup", function () {
      if ($G("url").value && $G("alignment").style.display == "none") {
        utils.each($G("repeatType").children, function (item) {
          item.selected =
            "repeat" == item.getAttribute("value") ? "selected" : false;
        });
      }
      updateHandler();
    });
    domUtils.on($G("repeatType"), "change", updateHandler);
    domUtils.on($G("x"), "keyup", updateBackground);
    domUtils.on($G("y"), "keyup", updateBackground);

    initColorPicker();
  }

  /* 初始化颜色选择器 */
  function initColorPicker() {
    var me = editor,
      cp = $G("colorPicker");

    /* 生成颜色选择器ui对象 */
    var popup = new UE.ui.Popup({
      content: new UE.ui.ColorPicker({
        noColorText: me.getLang("clearColor"),
        editor: me,
        onpickcolor: function (t, color) {
          updateFormState("colored", color);
          updateBackground();
          UE.ui.Popup.postHide();
        },
        onpicknocolor: function (t, color) {
          updateFormState("colored", "transparent");
          updateBackground();
          UE.ui.Popup.postHide();
        },
      }),
      editor: me,
      onhide: function () {},
    });

    /* 设置颜色选择器 */
    domUtils.on(cp, "click", function () {
      popup.showAnchor(this);
    });
    domUtils.on(document, "mousedown", function (evt) {
      var el = evt.target || evt.srcElement;
      UE.ui.Popup.postHide(el);
    });
    domUtils.on(window, "scroll", function () {
      UE.ui.Popup.postHide();
    });
  }

  /* 初始化在线图片列表 */
  function initImagePanel() {
    onlineImage = onlineImage || new OnlineImage("imageList");
  }

  /* 更新背景色设置面板 */
  function updateFormState(radio, color, url, align, x, y) {
    var nocolorRadio = $G("nocolorRadio"),
      coloredRadio = $G("coloredRadio");

    if (radio) {
      nocolorRadio.checked = radio == "colored" ? false : "checked";
      coloredRadio.checked = radio == "colored" ? "checked" : false;
    }
    if (color) {
      domUtils.setStyle($G("colorPicker"), "background-color", color);
    }

    if (url && /^\//.test(url)) {
      var a = document.createElement("a");
      a.href = url;
      browser.ie && (a.href = a.href);
      url = browser.ie
        ? a.href
        : a.protocol + "//" + a.host + a.pathname + a.search + a.hash;
    }

    if (url || url === "") {
      $G("url").value = url;
    }
    if (align) {
      utils.each($G("repeatType").children, function (item) {
        item.selected =
          align == item.getAttribute("value") ? "selected" : false;
      });
    }
    if (x || y) {
      $G("x").value = parseInt(x) || 0;
      $G("y").value = parseInt(y) || 0;
    }

    $G("alignment").style.display =
      coloredRadio.checked && $G("url").value ? "" : "none";
    $G("custom").style.display =
      coloredRadio.checked &&
      $G("url").value &&
      $G("repeatType").value == "self"
        ? ""
        : "none";
  }

  /* 更新背景颜色 */
  function updateBackground() {
    if ($G("coloredRadio").checked) {
      var color = domUtils.getStyle($G("colorPicker"), "background-color"),
        bgimg = $G("url").value,
        align = $G("repeatType").value,
        backgroundObj = {
          "background-repeat": "no-repeat",
          "background-position": "center center",
        };

      if (color) backgroundObj["background-color"] = color;
      if (bgimg) backgroundObj["background-image"] = "url(" + bgimg + ")";
      if (align == "self") {
        backgroundObj["background-position"] =
          $G("x").value + "px " + $G("y").value + "px";
      } else if (
        align == "repeat-x" ||
        align == "repeat-y" ||
        align == "repeat"
      ) {
        backgroundObj["background-repeat"] = align;
      }

      editor.execCommand("background", backgroundObj);
    } else {
      editor.execCommand("background", null);
    }
  }

  /* 在线图片 */
  function OnlineImage(target) {
    this.container = utils.isString(target)
      ? document.getElementById(target)
      : target;
    this.init();
  }
  OnlineImage.prototype = {
    init: function () {
      this.reset();
      this.initEvents();
    },
    /* 初始化容器 */
    initContainer: function () {
      this.container.innerHTML = "";
      this.list = document.createElement("ul");
      this.clearFloat = document.createElement("li");

      domUtils.addClass(this.list, "list");
      domUtils.addClass(this.clearFloat, "clearFloat");

      this.list.id = "imageListUl";
      this.list.appendChild(this.clearFloat);
      this.container.appendChild(this.list);
    },
    /* 初始化滚动事件,滚动到地步自动拉取数据 */
    initEvents: function () {
      var _this = this;

      /* 滚动拉取图片 */
      domUtils.on($G("imageList"), "scroll", function (e) {
        var panel = this;
        if (panel.scrollHeight - (panel.offsetHeight + panel.scrollTop) < 10) {
          _this.getImageData();
        }
      });
      /* 选中图片 */
      domUtils.on(this.container, "click", function (e) {
        var target = e.target || e.srcElement,
          li = target.parentNode,
          nodes = $G("imageListUl").childNodes;

        if (li.tagName.toLowerCase() == "li") {
          updateFormState("nocolor", null, "");
          for (var i = 0, node; (node = nodes[i++]); ) {
            if (node == li && !domUtils.hasClass(node, "selected")) {
              domUtils.addClass(node, "selected");
              updateFormState(
                "colored",
                null,
                li.firstChild.getAttribute("_src"),
                "repeat"
              );
            } else {
              domUtils.removeClasses(node, "selected");
            }
          }
          updateBackground();
        }
      });
    },
    /* 初始化第一次的数据 */
    initData: function () {
      /* 拉取数据需要使用的值 */
      this.state = 0;
      this.listSize = editor.getOpt("imageManagerListSize");
      this.listIndex = 0;
      this.listEnd = false;

      /* 第一次拉取数据 */
      this.getImageData();
    },
    /* 重置界面 */
    reset: function () {
      this.initContainer();
      this.initData();
    },
    /* 向后台拉取图片列表数据 */
    getImageData: function () {
      var _this = this;

      if (!_this.listEnd && !this.isLoadingData) {
        this.isLoadingData = true;
        var url = editor.getActionUrl(editor.getOpt("imageManagerActionName")),
          isJsonp = utils.isCrossDomainUrl(url);
        ajax.request(url, {
          timeout: 100000,
          dataType: isJsonp ? "jsonp" : "",
          data: utils.extend(
            {
              start: this.listIndex,
              size: this.listSize,
            },
            editor.queryCommandValue("serverparam")
          ),
          method: "get",
          onsuccess: function (r) {
            try {
              var json = isJsonp ? r : eval("(" + r.responseText + ")");
              if (json.state == "SUCCESS") {
                _this.pushData(json.list);
                _this.listIndex =
                  parseInt(json.start) + parseInt(json.list.length);
                if (_this.listIndex >= json.total) {
                  _this.listEnd = true;
                }
                _this.isLoadingData = false;
              }
            } catch (e) {
              if (r.responseText.indexOf("ue_separate_ue") != -1) {
                var list = r.responseText.split(r.responseText);
                _this.pushData(list);
                _this.listIndex = parseInt(list.length);
                _this.listEnd = true;
                _this.isLoadingData = false;
              }
            }
          },
          onerror: function () {
            _this.isLoadingData = false;
          },
        });
      }
    },
    /* 添加图片到列表界面上 */
    pushData: function (list) {
      var i,
        item,
        img,
        icon,
        _this = this,
        urlPrefix = editor.getOpt("imageManagerUrlPrefix");
      for (i = 0; i < list.length; i++) {
        if (list[i] && list[i].url) {
          item = document.createElement("li");
          img = document.createElement("img");
          icon = document.createElement("span");

          domUtils.on(
            img,
            "load",
            (function (image) {
              return function () {
                _this.scale(
                  image,
                  image.parentNode.offsetWidth,
                  image.parentNode.offsetHeight
                );
              };
            })(img)
          );
          img.width = 113;
          img.setAttribute(
            "src",
            urlPrefix +
              list[i].url +
              (list[i].url.indexOf("?") == -1 ? "?noCache=" : "&noCache=") +
              (+new Date()).toString(36)
          );
          img.setAttribute("_src", urlPrefix + list[i].url);
          domUtils.addClass(icon, "icon");

          item.appendChild(img);
          item.appendChild(icon);
          this.list.insertBefore(item, this.clearFloat);
        }
      }
    },
    /* 改变图片大小 */
    scale: function (img, w, h, type) {
      var ow = img.width,
        oh = img.height;

      if (type == "justify") {
        if (ow >= oh) {
          img.width = w;
          img.height = (h * oh) / ow;
          img.style.marginLeft = "-" + parseInt((img.width - w) / 2) + "px";
        } else {
          img.width = (w * ow) / oh;
          img.height = h;
          img.style.marginTop = "-" + parseInt((img.height - h) / 2) + "px";
        }
      } else {
        if (ow >= oh) {
          img.width = (w * ow) / oh;
          img.height = h;
          img.style.marginLeft = "-" + parseInt((img.width - w) / 2) + "px";
        } else {
          img.width = w;
          img.height = (h * oh) / ow;
          img.style.marginTop = "-" + parseInt((img.height - h) / 2) + "px";
        }
      }
    },
    getInsertList: function () {
      var i,
        lis = this.list.children,
        list = [],
        align = getAlign();
      for (i = 0; i < lis.length; i++) {
        if (domUtils.hasClass(lis[i], "selected")) {
          var img = lis[i].firstChild,
            src = img.getAttribute("_src");
          list.push({
            src: src,
            _src: src,
            floatStyle: align,
          });
        }
      }
      return list;
    },
  };

  dialog.onok = function () {
    updateBackground();
    editor.fireEvent("saveScene");
  };
  dialog.oncancel = function () {
    editor.execCommand("background", backupStyle);
  };
})();
